256 : 240 : : _____ : 90 select one:
a. 81
b. 132
c. 110
d. 100
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Answer: ans 100
Step-by-step explanation:
Bcoz 256 is square of 16 and 256-16 is 240
Therefore 90+10 (√100)
10 square is 100 so ans is 100
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